code: def test_prediction(self):
      sql = QueryStorage.prediction
      resp = self.sql_via_http(sql, RESPONSE_TYPE.TABLE)
      assert len(resp["data"]) == 1
  
file_path: mindsdb/tests/integration_tests/flows/test_predict_text_sentiment_openai_tutorial.py
imports: import os
  from pathlib import Path
  import json
  import pytest
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from .conftest import CONFIG_PATH
  from .http_test_helpers import HTTPHelperMixin
label_desc: Use image node_id 7 for calling the TestPredictTextSentimentOpenAI obj's underlying member method code with example usage: obj.test_prediction() without return types